US20220316785A1 - Low pressure carbon snow injector - Google Patents
Low pressure carbon snow injector Download PDFInfo
- Publication number
- US20220316785A1 US20220316785A1 US17/711,801 US202217711801A US2022316785A1 US 20220316785 A1 US20220316785 A1 US 20220316785A1 US 202217711801 A US202217711801 A US 202217711801A US 2022316785 A1 US2022316785 A1 US 2022316785A1
- Authority
- US
- United States
- Prior art keywords
- tube
- snow
- horn
- plate
- venturi system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title description 6
- 229910052799 carbon Inorganic materials 0.000 title description 6
- 235000013305 food Nutrition 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 30
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 25
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 16
- 239000001569 carbon dioxide Substances 0.000 claims description 15
- 239000007792 gaseous phase Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 10
- 239000007790 solid phase Substances 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 239000012071 phase Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 3
- 238000000859 sublimation Methods 0.000 description 3
- 230000008022 sublimation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000008247 solid mixture Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 235000014680 Saccharomyces cerevisiae Nutrition 0.000 description 1
- 244000299461 Theobroma cacao Species 0.000 description 1
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/12—Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/50—Carbon dioxide
- C01B32/55—Solidifying
-
- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21D—TREATMENT OF FLOUR OR DOUGH FOR BAKING, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS
- A21D6/00—Other treatment of flour or dough before baking, e.g. cooling, irradiating or heating
- A21D6/001—Cooling
Definitions
- the present invention deals with the devices for making CO 2 snow, ready to be injected in an installation using such a snow, notably an installation of the food industry.
- the invention is particularly interested in the installations (mixers) for cooling dough products, cooling being obtained thanks to the injection of CO 2 snow, with the following objectives:
- liquid storages of carbon dioxide (CO 2 ) are high pressure containers (average pressure is above 18 bar).
- CO 2 carbon dioxide
- the limits of this system are related to the amount of energy that the solid phase brings inside the mixer
- the system proposed by the present invention allows the obtention of a snow, produced by the expansion of the liquid carbon dioxide of the tank source, at a much lower pressure.
- the expansion of liquid carbon dioxide thanks to the transition of state, transforms a part of the liquid flow into gas and a part into solid.
- the calibrated orifice installed at the inlet of the equipment, allows the complete change of state of the liquid flow, transforming it into many small flows. At this point the energy of the flow begins to reduce.
- the calibrated orifice will be made with a suitable number and size of holes.
- FIG. 1 is a photograph of an embodiment of the invention.
- the calibrated orifices can be made for example with 24 mm diameter stainless steel discs. This size shows ideal conditions for fitting into the downstream J-tube inlet fitting and easily replaced.
- the holes which make up the calibrated orifice, can have a diameter ranging between 1.1 mm and 1.9 mm, for the purpose of illustration to better understand the present proposal.
- a transition plate wherein the end of the J-Tube fits into the plate, the plate being in its downstream side in gas connexion with two pipes, a main pipe and a secondary pipe, the main one at the top being able to carry the solid snow phase, and the second one at the bottom being able to carry the gaseous phase.
- the main pipe, carrying snow is connected tangentially to the top of a cylinder (called snow horn).
- snow horn a cylinder
- the high velocity of the fluid forces the solid phase (carbon snow) to descend towards the bottom of the cylinder along its circumference before falling outside.
- the lighter gas phase (which is generated by sublimation of the solid phase) is released inside the cylinder without a preferential path.
- the motion of the gaseous fluid due to its low temperature, is descending towards the outside of the snow horn.
- the secondary pipe (the one carrying gas) is connected to a venturi system installed on the top of the snow horn.
- the high speed of the fluid, harnessed inside the venturi system generates a reduction in pressure inside the cylinder which sucks up the gaseous phase formed by sublimation of the solid phase which runs inside the cylinder.
- the part of gas exiting the J-tube, used to create the depression, and the part of gas intercepted by the venturi system are conveyed outside.
- a perforated pipe is advantageously installed inside the snow horn. This pipe, connected to the Venturi system above, allows the gas formed to be sucked up along the entire length of the snow horn.
- the system takes advantage of the benefits of both devices (J Tube and Snow horn) and eliminates their main limitations.
- the capacity of the J-tube is exploited to immediately separate most of the gas that is produced by the passage of state.
- This gas flow at high pressure, before being evacuated to the outside, is used inside the Venturi system to generate a vacuum inside the snow horn in order to further eliminate the gas that the J-tube has not been able to separate.
- the invention deals therefore with an equipment for making CO 2 snow, ready to be injected in an installation using such a snow, notably an installation of the food industry, equipment comprising the following elements:
- FIGS. 2 a ) and 2 b ) in annex shows a schematic representation of the transition device 3 and help to better understand the structure and operation of this transition device:
- “Comprising” in a claim is an open transitional term which means the subsequently identified claim elements are a nonexclusive listing i.e. anything else may be additionally included and remain within the scope of “comprising.” “Comprising” is defined herein as necessarily encompassing the more limited transitional terms “consisting essentially of” and “consisting of”; “comprising” may therefore be replaced by “consisting essentially of” or “consisting of” and remain within the expressly defined scope of “comprising”.
- Providing in a claim is defined to mean furnishing, supplying, making available, or preparing something. The step may be performed by any actor in the absence of express language in the claim to the contrary.
- Optional or optionally means that the subsequently described event or circumstances may or may not occur.
- the description includes instances where the event or circumstance occurs and instances where it does not occur.
- Ranges may be expressed herein as from about one particular value, and/or to about another particular value. When such a range is expressed, it is to be understood that another embodiment is from the one particular value and/or to the other particular value, along with all combinations within said range.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EPEP21315060.0 | 2021-04-01 | ||
| EP21315060.0A EP4083545B1 (de) | 2021-04-01 | 2021-04-01 | Niederdruckinjektor für kohlenstoffschnee |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20220316785A1 true US20220316785A1 (en) | 2022-10-06 |
Family
ID=75639856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US17/711,801 Abandoned US20220316785A1 (en) | 2021-04-01 | 2022-04-01 | Low pressure carbon snow injector |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20220316785A1 (de) |
| EP (1) | EP4083545B1 (de) |
| AU (1) | AU2022202106A1 (de) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3757367A (en) * | 1971-02-08 | 1973-09-11 | Chemetron Corp | Method for carbon dioxide snow separation |
| US3807187A (en) * | 1973-04-05 | 1974-04-30 | Chemetron Corp | Hood and method for generating carbon dioxide snow |
| US4111671A (en) * | 1975-06-19 | 1978-09-05 | Chemetron Corporation | Method and apparatus for carbon dioxide snow separation |
| US4166364A (en) * | 1978-05-15 | 1979-09-04 | Air Products And Chemicals, Inc. | Carbon dioxide snow hood |
| US4372130A (en) * | 1981-09-17 | 1983-02-08 | Air Products And Chemicals, Inc. | Carbon dioxide snow generator with purging means |
| FR2962197A1 (fr) * | 2010-07-01 | 2012-01-06 | Linde France | Dispositif de production et de distribution de neige carbonique |
| DE102012008592A1 (de) * | 2012-04-27 | 2013-10-31 | Messer France S.A.S | Verfahren und Vorrichtung zum Kühlen von Produkten |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100101241A1 (en) * | 2008-10-27 | 2010-04-29 | Oehme William J | Kinetic energy heat pump |
-
2021
- 2021-04-01 EP EP21315060.0A patent/EP4083545B1/de active Active
-
2022
- 2022-03-29 AU AU2022202106A patent/AU2022202106A1/en active Pending
- 2022-04-01 US US17/711,801 patent/US20220316785A1/en not_active Abandoned
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3757367A (en) * | 1971-02-08 | 1973-09-11 | Chemetron Corp | Method for carbon dioxide snow separation |
| US3807187A (en) * | 1973-04-05 | 1974-04-30 | Chemetron Corp | Hood and method for generating carbon dioxide snow |
| US4111671A (en) * | 1975-06-19 | 1978-09-05 | Chemetron Corporation | Method and apparatus for carbon dioxide snow separation |
| US4166364A (en) * | 1978-05-15 | 1979-09-04 | Air Products And Chemicals, Inc. | Carbon dioxide snow hood |
| US4372130A (en) * | 1981-09-17 | 1983-02-08 | Air Products And Chemicals, Inc. | Carbon dioxide snow generator with purging means |
| FR2962197A1 (fr) * | 2010-07-01 | 2012-01-06 | Linde France | Dispositif de production et de distribution de neige carbonique |
| DE102012008592A1 (de) * | 2012-04-27 | 2013-10-31 | Messer France S.A.S | Verfahren und Vorrichtung zum Kühlen von Produkten |
Non-Patent Citations (2)
| Title |
|---|
| DE 102012008592 A1 Translation (Year: 2013) * |
| FR 2962197 A1 Translation (Year: 2012) * |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2022202106A1 (en) | 2022-10-20 |
| EP4083545B1 (de) | 2025-02-12 |
| EP4083545A1 (de) | 2022-11-02 |
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